CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 92 enrolled
Drug / intervention
Vitamin D3 2,000 IU orally once daily +3 moredrug
Likely dose
Vitamin D3 2,000 IU orally once dailyfrom record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT00436475
NCT00436475Phase 2Completed
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Vitamin D and Calcium Homeostasis for Prevention of Type 2 Diabetes

Tufts Medical Center·interventional·Posted Feb 19, 2007·Updated Jul 30, 2019

In Brief

A Phase 2 clinical trial evaluating Vitamin D3 2,000 IU orally once daily, Calcium Carbonate 400 mg orally twice daily, and 2 other interventions for Glucose Intolerance and 2 related conditions. Completed, enrolled 92 participants across 1 site.

Detailed Summary

The purpose of the randomized trial is to quantify the effect of vitamin D and calcium supplementation on beta-cell function, insulin sensitivity, glucose tolerance and systemic inflammation and other cardiometabolic outcomes in ambulatory adults at high risk for type 2 diabetes.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
ConditionsGlucose Intolerance, Type 2 Diabetes Mellitus, Metabolic Syndrome
CountriesUnited States
CollaboratorsNational Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

Timeline

Phase 2CompletedFinished
200720082009201020112012201320142015201620172018201920202021202220232024202520262027
First PostedFeb 19, 2007
Enrollment StartSep 1, 2007
Primary CompletionNov 1, 2009
TodayJul 2, 2026
Enrollment to primary: 2.2 yearsPosted 19.4 years ago

Interventions

Vitamin D3 2,000 IU orally once dailydrug

Vitamin D3 2,000 IU orally once daily

Calcium Carbonate 400 mg orally twice dailydrug

Calcium Carbonate 400 mg orally twice daily

Vitamin D3-Placebodrug

Vitamin D3-Placebo

Calcium-Placebodrug

Calcium-Placebo